wip4

Author: SakiTakamachi

ext/bcmath/libbcmath/src/sqrt.c

@@ -84,7 +84,7 @@ bool bc_sqrt(bc_num *num, size_t scale)
 		for (; i < (*num)->n_len + (*num)->n_scale; i++) {
 			n_vecter = n_vecter * BASE + (*num)->n_value[i];
 		}
-		for (; i < rscale; i++) {
+		for (; i < (*num)->n_len + rscale; i++) {
 			n_vecter *= BASE;
 		}
 
@@ -120,9 +120,7 @@ bool bc_sqrt(bc_num *num, size_t scale)
 		char *rptr = ret->n_value;
 		char *rend = rptr + ret_ren + rscale - 1;
 
-		for (i = 0; i < cscale - rscale; i++) {
-			guess_vector /= BASE;
-		}
+		guess_vector /= BASE;
 		while (rend >= rptr) {
 			*rend-- = guess_vector % BASE;
 			guess_vector /= BASE;